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中文摘要：
基于社会经济和自然生态的现状，结合关中地区的土地利用特征，建立了关中地区的土地利用综合分区评价指标体系，并运用空间关联指数的探索性空间数据分析方法对关中地区的社会经济综合指数和自然生态综合指数空间分布进行了研究。结果表明，关中地区的自然生态综合指数高值集聚区主要位于秦岭北麓，以城区为中心的渭河平原是社会经济最为聚集的地区。结合社会经济综合指数和自然生态综合指数的空间分布，以县区为基本单元把关中地区的土地利用分为5种类型区。最后根据定量评价结果和三大地貌单元，对关中地区土地利用提出了对策建议。
英文摘要：
The Guanzhong region is one of the hot spots for socio-economic development in Northwest China. During the past decade, owing to the rapid economic development, dramatic speedup of industrialization and urbanization, together with sharp increase of population, the land use changed greatly, for example, built-up land greatly expanded and consequently the cultivated land was occupied and decreased. In this study, the authors have documented that the land use trends were restricted by natural ecological conditions and socio-economic features in the Guanzhong region. Based on the major results, the authors also proposed some suggestions for developing optimal regional land use policy. The county （or district） was considered as the basic unit in this analysis. According to the natural ecology and socio-economic conditions in the Guanzhong region, the basic land use tendency was investigated and an assessment system of land use regionalization was established, and the comprehensive regionalization of land use was studied. The spatial distribution pattern of the socioeeonomic comprehensive index and natural ecology comprehensive index was analyzed using a spatial data analysis method such as spatial association index. Results indicated that the natural ecology comprehensive value （0. 6304） is the highest in the northern part of the Qinling Mountains. The ecological condition in the western part was better than that in the eastern part. The socio-economic activity was the most intensive in the Weihe plain, with the highest value being 0. 8062. Considering the coupling between socio-economic importance comprehensive index and natural ecology comprehensive index, the pattern of land use in the Guanzhong region was divided into five types： preferential development area, feasible development area, moderate development area, preferential conservation area and gray area. Finally, the authors analyzed the characteristics of the main function regionalization and put forward the management policies and countermeasures.
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